Christians in Bangladesh account for 0.30% of the nation's population as of 2022 census. Together with Judaism and Buddhism, they account for 1% of the population. Islam accounts for 91.04% of the country's religion, followed by Hinduism at 7.95% as per 2022 census.
Bengali Christians are adherents of Christianity among the Bengali people. Christianity took root in Bengal after the arrival of Portuguese voyagers in the 16th century. It witnessed further conversions among the Bengali upper-caste elite during the 19th century Bengali Renaissance.
The Catholic Church in Bangladesh is part of the worldwide Catholic Church, under the spiritual leadership of the pope in Rome. As of 2016, there are approximately 350,000, approximately 0.2 percent of the population of Bangladesh. About 60% of Catholics come from "tribals", members of minority tribes. By 2022, there were 400,000 Catholics in the country. Bangladesh is otherwise a predominantly Muslim country.
The Roman Catholic Archdiocese of Dhaka is the Latin, main Metropolitan diocese of the Roman Catholic Church in Bangladesh, but no longer the only one. It still depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Archdiocese of Cartagena is an archdiocese located in the city of Cartagena in Colombia.
The Roman Catholic Archdiocese of Florianópolis is an archdiocese located in the city of Florianópolis in Brazil.
The Roman Catholic Archdiocese of Chittagong, renamed Chattogram on December 28, 2018, is an archdiocese of the Latin Church of the Catholic Church in Bangladesh. The Archdiocese of Chittagong is the metropolitan see of the ecclesiastical province of Chittagong, which includes the suffragan dioceses of the Roman Catholic Diocese of Khulna and the Roman Catholic Diocese of Barisal, both in Bangladesh. However, it remains dependent on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Diocese of Khulna is a Latin suffragan diocese in the ecclesiastical province of Chittagong, one of two provinces in Bangladesh. However it remains dependent on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Diocese of Rajshahi is a diocese located in the city of Rajshahi in the ecclesiastical province of Dhaka in Bangladesh.
The Roman Catholic Metropolitan Archdiocese of Hyderabad is an archdiocese located in the city of Hyderabad in India.
The Roman Catholic Diocese of Jalpaiguri is a diocese located in the city of Jalpaiguri in the ecclesiastical province of Calcutta in India.
The Roman Catholic Diocese of Krishnagar is a diocese located in the city of Krishnagar in the ecclesiastical province of Calcutta in India.
The Roman Catholic Diocese of Khammam is a diocese located in the city of Khammam in the ecclesiastical province of Hyderabad in India.
Patrick D'Rozario, CSC is a Bangladeshi prelate of the Catholic Church who was Archbishop of Dhaka from 2011 to 2020. He became a cardinal in 2016, the first from Bangladesh. He led other dioceses in Bangladesh from 1995 to 2010.
Gervas Rozario is bishop of the Roman Catholic diocese of Rajshahi. His diocese has 59,630 Catholics.
The Roman Catholic Diocese of Barisal is a Latin suffragan bishopric in the ecclesiastical province of the Metropolitan of Roman Catholic Archdiocese of Chittagong. However it remains dependent on the missionary Roman Congregation for the Evangelization of Peoples.
Moses M.Costa, C.S.C. was a Bangladeshi Roman Catholic prelate, who served as the archbishop of the Roman Catholic Archdiocese of Chittagong, Bangladesh. until his death on 13 July 2020.
Michael Rozario was a Bangladeshi prelate of the Catholic Church who served as archbishop of Dhaka from 1977 to 2005. He was bishop of Dinajpur from 1968 to 1977.
Bangladesh 
